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a) What is the electric potential a distance of 2.1? 10-15 m away from a proton?
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(b) What is the electric potential energy of a system that consists of two protons 2.1? 10-15 m apart-as might occur inside a typical nucleus?
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A spacecraft is in circular orbit about the moon, 1.22 x105m above its surface. The speed of the spacecraft is1620 m/s, and the radius of the moon is 1.74 x 106 m. Ifthe moon were a smooth reflective sphere,
The maximum speed of a 2.6-kg mass attached to a spring is 0.74 m/s, and the maximum force exerted on the mass is 11 N. What is the force constant of the spring
A monochromatic light source used in a diffraction experiment has a wavelength of 4.60 x 10-7 m. What is the energy of this photon of light?
a steel rod 2.00 m long is to be used to pry up one end of a 400-kg crate. if a workman can exert a downward force of
Light is incident normally on the largest face of an isosceles-right-triangle prism. What is the speed of light in this prism if the prism is just barely able to produce total internal reflection?
A pulley with moment of inertia I and radius R is connected to a mass M at rest on an incline of angle theta. The mass is attached to a spring of constant k.
A double-slit device known as an "electron biprism" is capable of producing interference patterns with electrons. With such a device, a team of experimenters.
Describe the relationship between electron orbital energy levels and the energy of light that electrons emit for atoms in a gas.
A microscope uses beams of protons instead of photons/electrons. What wavelength would the beam of protons have if their momentum was acquired from a potential drop of 100 volts? (The answer is 2.87*10^-10 cm, but I don't know how to get there
A 5 kg mass is connected to a spring (1000 N/m) platform which undergoes simple harmonic motion in the vertical direction with two complete oscillations each second. What is the angular frequency of the box
A cat walks along a plank (length = 4.00 m and mass = 7.00 kg). What is the mass of the cat
After sliding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.7 m/s. Determine how fast do the two of them slide across the snow together on the inner tube
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